主持/参与国家自然科学基金、军科委、装发、国防科工局科研项目10余项，在领域内主流期刊发表SCI、EI论文20余篇，获批专利、软著5项，参与制订团体标准3项，担任 Materials & Design、 Thin-Walled Structures等期刊审稿人。研究领域包括：
1、复合材料结构数字化建模及力学性能评价方法
2、复合材料织物力学模拟方法
3、复合材料固化变形预报与控制
1. Li Mengran, Liu Kai*, Ge Jingran, Liang Jun*, et al. A novel modeling method for the mechanical behavior of 3D woven fabrics considering yarn distortion, Composites Science and Technology, 2022, 34：91-109.
2. Liu Zengfei, Ge Jingran, Kai Liu*, Li Mengran, Liang Jun*, et al. High-fidelity modeling of 3D woven composites considering inhomogeneous intra-yarn fiber volume fractions[J]. Composite Structures, 2022, 290: 115505.
3. Lei Ge, Huimin Li*, Yihang Gao, Kai Liu*, et al. Parametric analyses on multiscale elastic behavior of 3D braided composites with pore defects[J]. Composite Structures, 2022, 12(3):310-319.
4. Shen Jianbang, Liu Kai*, Liang Jun*, et al. Design and Mechanical Property Studies of 3D Re-entrant Lattice Auxetic Structure, Aerospace Science & Technology, 2021. 118: 71-79.
5. Liu Kai, Wan Zhishuai, Tao Ran, et al. 4D printed zero Poisson's ratio metamaterial with switching function of mechanical and vibration isolation performance[J]. Materials & Design, 2020, 196:109-123.
6、 Li Mengran, Zhang Binbin, Liu Kai, Liang Jun, et al. Study on the shear-pretension coupling behavior of 3D uniform and variable thickness woven fabrics, Polymer Testing, 2023, 120: 107963.
